List questions from operator-algebras

Published on 29 Mar 2026 - 17:33

135

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A question about strongly continuous.

Published on 29 Mar 2026 - 17:25

551

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Are self-inverse operators normal?

Published on 08 Nov 2013 - 10:50

42

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What is Kadison's process about cocycles?

Published on 29 Mar 2026 - 17:31

267

Views

Two question on a lemma about C*-algebra

Published on 29 Mar 2026 - 17:31

80

Views

A question about tensor product of algebras of compact operators.

Published on 29 Mar 2026 - 14:06

83

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A characterisation of the cyclic subfactors by the existence of a cyclic vector?

Published on 26 Mar 2026 - 22:16

374

Views

A question about weighted forward unilateral shift operators

Published on 18 Nov 2013 - 10:30

117

Views

A simple question in functional analysis

Published on 18 Nov 2013 - 17:27

449

Views

How can I show that given a norm one linear functional on $c_0$ that there is a unique extension to a norm one functional on $\ell_\infty$?

Published on 02 Dec 2013 - 9:27

39

Views

A simple question about the dimension of subspace.

Published on 02 Dec 2013 - 11:29

319

Views

Why do closed ideals of C*-algebras have approximate units

Published on 03 Dec 2013 - 8:00

99

Views

Give a counterexample that $A$, $B$ are similar matrices in $M_{n\times n}(\mathbb{C})$ but $PAP^{-1}\neq B$ for any $P\in GL_{n}(\mathbb{R})$.

Published on 03 Dec 2013 - 11:08

656

Views

MASAs of C* algebras

Published on 03 Dec 2013 - 21:48

658

Views

Problem with spectral theorem and spectral measure.

Published on 05 Apr 2026 - 9:53

List Question

A question about a linear bounded operator (in hilbert space)

A question about strongly continuous.

Are self-inverse operators normal?

What is Kadison's process about cocycles?

Two question on a lemma about C*-algebra

A question about tensor product of algebras of compact operators.

A characterisation of the cyclic subfactors by the existence of a cyclic vector?

A question about weighted forward unilateral shift operators

A simple question in functional analysis

How can I show that given a norm one linear functional on $c_0$ that there is a unique extension to a norm one functional on $\ell_\infty$?

A simple question about the dimension of subspace.

Why do closed ideals of C*-algebras have approximate units

Give a counterexample that $A$, $B$ are similar matrices in $M_{n\times n}(\mathbb{C})$ but $PAP^{-1}\neq B$ for any $P\in GL_{n}(\mathbb{R})$.

MASAs of C* algebras

Problem with spectral theorem and spectral measure.

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